4、有些工作或流程由几个基本操作组成,每个操作下面有若干小步骤或工作项。

Some jobs or processes consist of several basic operations, with a number of minor steps or work items under each.

Some basic operations with a few small steps or work items are included in some work or processes.

Some jobs or processes constitute a few basic operations, with several minor steps or work items under each.

正确答案：A

1476、If an engine fire detection system is available. describe, give principle of operation, and explain how to use it.

1475、If a supply shutoff valve was closed for less than five minutes no maintenance is required and shutoff periods are notaccumulative.

1474、If a company publication style manual is used, the format and layout should follow this Specification to the extentpracticable

1473、Identify the wires with sleeves of different colors.

1472、Identify sections that can cause specific types of trouble

1471、However, the systems are independent and there is no fluid, exchange between them.

1470、Hold the cylinder tightly.

1469、Head aircraft into the wind.

1468 、Handbooks shall be readily revisable. They may be thin loose-leaf from, with durable, multi-ring cover, or permanentlybound.

1467、Get medical aid immediately.